JP2801482B2 - 情報通信装置 - Google Patents

情報通信装置

Info

Publication number
JP2801482B2
JP2801482B2 JP4314327A JP31432792A JP2801482B2 JP 2801482 B2 JP2801482 B2 JP 2801482B2 JP 4314327 A JP4314327 A JP 4314327A JP 31432792 A JP31432792 A JP 31432792A JP 2801482 B2 JP2801482 B2 JP 2801482B2
Authority
JP
Japan
Prior art keywords
bits
channel
constellation
symbols
data
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
JP4314327A
Other languages
English (en)
Japanese (ja)
Other versions
JPH06292161A (ja
Inventor
セシャドリ ナンビラヤン
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
AT&T Corp
Original Assignee
AT&T Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by AT&T Corp filed Critical AT&T Corp
Publication of JPH06292161A publication Critical patent/JPH06292161A/ja
Application granted granted Critical
Publication of JP2801482B2 publication Critical patent/JP2801482B2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/32—Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26
    • H04L27/34—Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems
    • H04L27/3405—Modifications of the signal space to increase the efficiency of transmission, e.g. reduction of the bit error rate, bandwidth, or average power
    • H04L27/3416—Modifications of the signal space to increase the efficiency of transmission, e.g. reduction of the bit error rate, bandwidth, or average power in which the information is carried by both the individual signal points and the subset to which the individual points belong, e.g. using coset coding, lattice coding, or related schemes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/32—Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26
    • H04L27/34—Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems
    • H04L27/3488—Multiresolution systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Error Detection And Correction (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
JP4314327A 1991-10-31 1992-10-30 情報通信装置 Expired - Lifetime JP2801482B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US785723 1991-10-31
US07/785,723 US5544328A (en) 1991-10-31 1991-10-31 Coded modulation with unequal error protection

Publications (2)

Publication Number Publication Date
JPH06292161A JPH06292161A (ja) 1994-10-18
JP2801482B2 true JP2801482B2 (ja) 1998-09-21

Family

ID=25136434

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4314327A Expired - Lifetime JP2801482B2 (ja) 1991-10-31 1992-10-30 情報通信装置

Country Status (5)

Country Link
US (1) US5544328A (de)
EP (1) EP0540231B1 (de)
JP (1) JP2801482B2 (de)
DE (1) DE69224142T2 (de)
SG (1) SG59926A1 (de)

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USRE42643E1 (en) 1991-03-27 2011-08-23 Panasonic Corporation Communication system
US5305352A (en) * 1991-10-31 1994-04-19 At&T Bell Laboratories Coded modulation with unequal error protection
CA2332405C (en) 1992-03-26 2007-01-23 Matsushita Electric Industrial Co., Ltd. Communication system
US6724976B2 (en) 1992-03-26 2004-04-20 Matsushita Electric Industrial Co., Ltd. Communication system
US5802241A (en) * 1992-03-26 1998-09-01 Matsushita Electric Industrial Co., Ltd. Communication system
US5892879A (en) 1992-03-26 1999-04-06 Matsushita Electric Industrial Co., Ltd. Communication system for plural data streams
US7894541B2 (en) 1992-03-26 2011-02-22 Panasonic Corporation Communication system
US6728467B2 (en) 1992-03-26 2004-04-27 Matsushita Electric Industrial Co., Ltd. Communication system
USRE38513E1 (en) 1992-03-26 2004-05-11 Matsushita Electric Industrial Co., Ltd. Communication system
DE69332590T2 (de) * 1992-09-25 2003-11-13 Matsushita Electric Industrial Co., Ltd. Übertragung mit mehreren Auflösungen, insbesondere für Mehrträgersysteme
US5844922A (en) * 1993-02-22 1998-12-01 Qualcomm Incorporated High rate trellis coding and decoding method and apparatus
US5396518A (en) * 1993-05-05 1995-03-07 Gi Corporation Apparatus and method for communicating digital data using trellis coding with punctured convolutional codes
US5745528A (en) * 1995-07-13 1998-04-28 Zenith Electronics Corporation VSB mode selection system
JP3634082B2 (ja) * 1996-08-29 2005-03-30 富士通株式会社 送信装置および受信装置
US5812602A (en) * 1996-11-14 1998-09-22 Motorola Inc. System and device for, and method of, communicating according to a trellis code of baseband signals chosen from a fixed set of baseband signal points
AU5898098A (en) * 1997-01-17 1998-08-07 Motorola, Inc. System and device for, and method of, communicating according to a composite code
US5822371A (en) * 1997-02-14 1998-10-13 General Datacomm Inc. Mapper for high data rate signalling
FI112894B (fi) 1997-04-10 2004-01-30 Nokia Corp Menetelmä kehysvirhetodennäköisyyden pienentämiseksi tietokehysmuotoisessa tiedonsiirrossa
EP0935363A4 (de) 1997-06-19 2005-09-07 Toshiba Kk Multiplexübertragungssystem, dafür verwendeter multiplexer und demultiplexer, und fehlerkorrekturkoder/dekoder
US6405338B1 (en) * 1998-02-11 2002-06-11 Lucent Technologies Inc. Unequal error protection for perceptual audio coders
US7215718B1 (en) * 1999-04-28 2007-05-08 At&T Corp. Combined channel coding and space-time block coding in a multi-antenna arrangement
CN1342354A (zh) 1998-09-04 2002-03-27 美国电报电话公司 在一种多天线装置中组合信道编码和空间一分块编码
US6754290B1 (en) 1999-03-31 2004-06-22 Qualcomm Incorporated Highly parallel map decoder
US6397368B1 (en) * 1999-12-06 2002-05-28 Intellon Corporation Forward error correction with channel adaptation
EP1267508A1 (de) * 2000-02-29 2002-12-18 Fujitsu Limited Kodierungsverfahren für mehrträger übertragung und zugehöriger kodierer
US6889351B1 (en) * 2000-03-30 2005-05-03 Koninklijke Philips Electronics, N.V. Backward compatible multiple data stream transmission method and system for compressed domain signals
JP4903967B2 (ja) * 2000-04-14 2012-03-28 シーメンス アクチエンゲゼルシヤフト データストリームのチャネル復号化方法、チャネル復号化装置、コンピュータで読み取り可能な記憶媒体、および、コンピュータプログラム
ATE536002T1 (de) * 2000-07-17 2011-12-15 Koninkl Philips Electronics Nv Ungleichgewichtiger fehlerschutz für packete mit variabler länge
FR2817092B1 (fr) * 2000-11-21 2003-02-14 Thomson Csf Dispositif destine a optimiser un emetteur selon les conditions de transmission, emetteur et recepteur de reference associes
US6898758B2 (en) * 2001-06-20 2005-05-24 Koninklijke Philips Electronics N.V. Cross media error protection method and system
KR100800885B1 (ko) * 2001-08-13 2008-02-04 삼성전자주식회사 다중레벨변조를 사용하는 통신시스템의 복조장치 및 방법
US6727772B2 (en) * 2002-05-01 2004-04-27 Intel Corporation Method and system for synchronizing a quadrature amplitude modulation demodulator
US8204079B2 (en) * 2002-10-28 2012-06-19 Qualcomm Incorporated Joint transmission of multiple multimedia streams
US20040083417A1 (en) * 2002-10-29 2004-04-29 Lane Richard D. Multimedia transmission using variable error coding rate based on data importance
US20040083495A1 (en) * 2002-10-29 2004-04-29 Lane Richard D. Mulitmedia transmission using variable gain amplification based on data importance
US7613985B2 (en) * 2003-10-24 2009-11-03 Ikanos Communications, Inc. Hierarchical trellis coded modulation
KR100589680B1 (ko) * 2004-07-26 2006-06-19 한국전자통신연구원 이동통신 시스템의 신호 전송 방법 및 그 장치와, 수신방법 및 그 장치
US7987415B2 (en) * 2006-02-15 2011-07-26 Samsung Electronics Co., Ltd. Method and system for application of unequal error protection to uncompressed video for transmission over wireless channels
WO2007100184A1 (en) * 2006-02-28 2007-09-07 Lg Electronics Inc. Digital broadcasting system and method of processing data
EP2134052A1 (de) * 2008-06-13 2009-12-16 THOMSON Licensing Verbessertes QAM-Übertragungsverfahren für AWGN-Kanäle
JP5771134B2 (ja) * 2011-12-13 2015-08-26 日本放送協会 送信装置及び受信装置
US9380351B2 (en) * 2014-01-17 2016-06-28 Lg Display Co., Ltd. Apparatus for transmitting encoded video stream and method for transmitting the same

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Publication number Priority date Publication date Assignee Title
US4520490A (en) * 1983-08-05 1985-05-28 At&T Information Systems Inc. Differentially nonlinear convolutional channel coding with expanded set of signalling alphabets
US4651320A (en) * 1984-12-24 1987-03-17 American Telephone And Telegraph Company Inband coding of secondary data
JPS6339239A (ja) * 1986-08-05 1988-02-19 Fujitsu Ltd 符号化変復調回路
US4882733A (en) * 1987-03-13 1989-11-21 Ford Aerospace Corporation Method and apparatus for combining encoding and modulation
US5134464A (en) * 1990-11-16 1992-07-28 North American Philips Corporation Method and apparatus for the transmission and reception of a multicarrier digital television signal
US5029185A (en) * 1989-07-28 1991-07-02 At&T Bell Laboratories Coded modulation for mobile radio
US5105443A (en) * 1990-05-29 1992-04-14 At&T Bell Laboratories Inband coding of secondary data
US5164963A (en) * 1990-11-07 1992-11-17 At&T Bell Laboratories Coding for digital transmission
US5105442A (en) * 1990-11-07 1992-04-14 At&T Bell Laboratories Coded modulation with unequal error protection
US5305352A (en) * 1991-10-31 1994-04-19 At&T Bell Laboratories Coded modulation with unequal error protection

Also Published As

Publication number Publication date
US5544328A (en) 1996-08-06
SG59926A1 (en) 1999-02-22
JPH06292161A (ja) 1994-10-18
DE69224142D1 (de) 1998-02-26
EP0540231A3 (en) 1993-08-11
DE69224142T2 (de) 1998-05-07
EP0540231B1 (de) 1998-01-21
EP0540231A2 (de) 1993-05-05

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